Re: [Cake] Diffserv LLT mode

[Y <intruder_tkyf@yahoo.fr>]

Hi.

mine stat doen't  inclued more.
sad.

yutaka

pi@raspberrypi:~ $ tc -s -d qdisc
qdisc noqueue 0: dev lo root refcnt 2 
 Sent 0 bytes 0 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc cake 8017: dev eth0 root refcnt 2 bandwidth 810Kbit diffserv3
srchost rtt 100.0ms raw atm overhead -4 Sent 42114643 bytes 197572 pkt
(dropped 232, overlimits 73726 requeues 0) backlog 0b 0p requeues 0

qdisc ingress ffff: dev eth0 parent ffff:fff1 ---------------- 
 Sent 192984793 bytes 176545 pkt (dropped 0, overlimits 0 requeues 0) 
 backlog 0b 0p requeues 0
qdisc cake 8016: dev ifb0 root refcnt 2 bandwidth 11500Kbit diffserv3
dsthost rtt 100.0ms raw atm overhead -4 Sent 195434409 bytes 176530 pkt
(dropped 14, overlimits 107096 requeues 0) backlog 0b 0p requeues 0


On Sat, 21 Apr 2018 10:44:19 +0200
Pete Heist <pete@eventide.io> wrote:

> > On Apr 19, 2018, at 4:50 PM, Toke Høiland-Jørgensen <toke@toke.dk>
> > wrote:
> > 
> > Is anyone actually using the LLT diffserv setting?  
> 
> I re-tested diffserv-llt quickly using the current head of cake and
> tc-adv and am confused by something:
> 
> http://drhleny.cz/bufferbloat/cake/round5/diffserv_rrul_eg_cake_ds-llt_50mbit/index.html
> 
> When I look at the qdisc stats for cake, there are 5 tins: Low Loss,
> Best Effort, Low Delay, Bulk and Net Control. Shouldn’t the Low Delay
> tin have its target and interval reduced to something below 5ms and
> 100ms? And the bulk tin has a target and interval of 5.8ms and
> 100.8ms(?)
> 
> In short, I forget how diffserv-llt was supposed to work, regardless
> of whether or not it’s on the chopping block. No need for a history
> lesson if it will be removed… :)
> 
> Improved intra-flow latency could be useful for HTTP/2 or other
> things, but I don’t see how the current llt mode helps most ordinary
> people with that, when it would only apply to flows with certain
> diffserv markings, and doesn’t seem to adjust the target and interval
> anyway… _______________________________________________ Cake mailing
> list Cake@lists.bufferbloat.net
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